Heater



FIG. 1 is a top front perspective view of a heater of the present invention.

FIG. 2 is a bottom rear perspective view of a heater of the present invention.

FIG. 3 is a front elevation view of the heater of FIG. 1 .

FIG. 4 is a rear elevation view of the heater of FIG. 1

FIG. 5 is a left side elevation view of the heater of FIG. 1 .

FIG. 6 is a right side elevation view of the heater of FIG. 1 .

FIG. 7 is a top plan view of the heater of FIG. 1 ; and,

FIG. 8 is a bottom plan view of the heater of FIG. 1 .

In the drawings, the broken lines depict portions of the heater that form no part of the claimed design. 

CLAIM We claim the ornamental design for a heater, as shown and described. 